CompTIA A+ Core 2 Practice Questions: Software Troubleshooting

16 free, exam-style CompTIA A+ Core 2 (220-1102) practice questions covering Software Troubleshooting. Each question shows the correct answer and a clear explanation. Ready for the real thing? Take the full timed quiz below.

🚀 Take the full CompTIA A+ Core 2 quiz 📘 CompTIA A+ Core 2 study guide

Q1. Which command in Windows displays and clears secure channel credentials (test trust with domain)?

Explanation: nltest /sc_verify:<domain> tests the secure channel to a domain controller. Learn more.

Q2. If a Windows system fails to boot and you suspect corrupted system files, which sequence is recommended?

Explanation: Boot into Safe Mode or WinRE command line, run SFC to repair system files, then DISM to fix the component store. Learn more.

Q3. Which Windows tool shows application crash events, driver failures, and system errors?

Explanation: Event Viewer logs detailed application, system, and security events that help diagnose failures. Learn more.

Q4. When an Android app consistently crashes, which built-in mode helps you diagnose if it’s caused by a third-party app?

Explanation: Android Safe Mode loads only system apps, letting you test if a third-party app is the culprit. Learn more.

Q5. Which iOS feature lets you view crash logs to troubleshoot a misbehaving app?

Explanation: Settings → Privacy → Analytics & Improvements → Analytics Data shows crash logs for apps. Learn more.

Q6. A user reports intermittent slow logons and desktop loads in Windows. Which of these is the BEST first step?

Explanation: Reviewing startup programs in Task Manager’s Startup tab can reveal apps delaying logon. Learn more.

Q7. Which Windows feature allows you to revert installed applications and drivers if a recent install caused instability?

Explanation: System Restore can revert changes to applications and drivers by rolling back to a restore point. Learn more.

Q8. A Windows PC shows a PAGE_FAULT_IN_NONPAGED_AREA BSOD. Which component is LEAST likely to cause this error?

Explanation: PAGE_FAULT errors are often due to bad memory, drivers, or disk issues. Browser cookies do not cause kernel‐level page faults. Learn more.

Q9. Which command clears the DNS cache on a modern Ubuntu system using systemd-resolved?

Explanation: resolvectl flush-caches (or systemd-resolve --flush-caches) clears the DNS cache when using systemd-resolved. Learn more.

Q10. Which Windows utility is commonly used to inspect application and system logs?

Explanation: Event Viewer displays Windows logs that help diagnose application, security, and system issues. Learn more.

Q11. Which command checks protected Windows system files and replaces corrupted copies when possible?

Explanation: System File Checker scans protected system files and repairs detected integrity problems. Learn more.

Q12. A suspicious process is consuming CPU in Windows. Which tool is the quickest place to end it?

Explanation: Task Manager displays running processes and allows a technician to end an unresponsive or suspicious process. Learn more.

Q13. Which Windows boot option loads minimal drivers for troubleshooting?

Explanation: Safe Mode starts Windows with a limited set of drivers and services to help isolate software problems. Learn more.

Q14. Which symptom most strongly suggests a failing storage drive?

Explanation: SMART warnings and repeated read errors indicate possible drive failure and should trigger backup and replacement planning. Learn more.

Q15. A Windows application crashes every time it opens. Where should a technician look for crash details?

Explanation: Application crash events are commonly recorded in Windows Event Viewer application logs. Learn more.

Q16. Which Windows utility manages startup applications in modern Windows versions?

Explanation: Modern Windows Task Manager includes a Startup tab for enabling or disabling startup apps. Learn more.

More CompTIA A+ Core 2 practice topics